NO327829B1 - Anvendelse av et ekstraheringsmiddel som et antiskummiddel ved fremstilling av vannfri maursyre - Google Patents

Anvendelse av et ekstraheringsmiddel som et antiskummiddel ved fremstilling av vannfri maursyre Download PDF

Info

Publication number
NO327829B1
NO327829B1 NO20023513A NO20023513A NO327829B1 NO 327829 B1 NO327829 B1 NO 327829B1 NO 20023513 A NO20023513 A NO 20023513A NO 20023513 A NO20023513 A NO 20023513A NO 327829 B1 NO327829 B1 NO 327829B1
Authority
NO
Norway
Prior art keywords
extractant
distillation
formic acid
carrying
distillation device
Prior art date
Application number
NO20023513A
Other languages
English (en)
Norwegian (no)
Other versions
NO20023513L (no
NO20023513D0 (no
Inventor
Heinz Auer
Hans Hammer
Bernd Bessling
Hans Hasse
Friedrich Sauer
Gerhard Wagner
Till Adrian
Maximilian Vicari
Original Assignee
Basf Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Basf Ag filed Critical Basf Ag
Publication of NO20023513D0 publication Critical patent/NO20023513D0/no
Publication of NO20023513L publication Critical patent/NO20023513L/no
Publication of NO327829B1 publication Critical patent/NO327829B1/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/43Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/48Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
NO20023513A 2000-01-24 2002-07-23 Anvendelse av et ekstraheringsmiddel som et antiskummiddel ved fremstilling av vannfri maursyre NO327829B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10002793A DE10002793A1 (de) 2000-01-24 2000-01-24 Verwendung eines Extraktionsmittels bei der Herstellung von wasserfreier Ameisensäure
PCT/EP2001/000749 WO2001055071A1 (fr) 2000-01-24 2001-01-24 Utilisation d'un agent d'extraction en tant qu'agent anti-mousse lors de la production d'acide formique anhydre

Publications (3)

Publication Number Publication Date
NO20023513D0 NO20023513D0 (no) 2002-07-23
NO20023513L NO20023513L (no) 2002-08-26
NO327829B1 true NO327829B1 (no) 2009-10-05

Family

ID=7628464

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20023513A NO327829B1 (no) 2000-01-24 2002-07-23 Anvendelse av et ekstraheringsmiddel som et antiskummiddel ved fremstilling av vannfri maursyre

Country Status (12)

Country Link
US (1) US6838579B2 (fr)
EP (1) EP1250307B1 (fr)
JP (1) JP4746242B2 (fr)
KR (1) KR100771709B1 (fr)
CN (1) CN1271033C (fr)
AT (1) ATE396167T1 (fr)
AU (1) AU2001228487A1 (fr)
BR (1) BR0107822B1 (fr)
DE (2) DE10002793A1 (fr)
MY (1) MY136296A (fr)
NO (1) NO327829B1 (fr)
WO (1) WO2001055071A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1517978A1 (fr) * 2002-06-26 2005-03-30 Dorf Ketal Chemicals India Pvt. Ltd. Procede d'elimination de composes carbonyle et de gaz acides a partir de gaz de craquage dans une operation utilisant de l'ethylene
US7906012B2 (en) 2002-07-16 2011-03-15 Dorf Ketal Chemicals India Pvt. Ltd. Method for reducing foam in a primary fractionator
CN101391945B (zh) * 2008-10-27 2012-01-11 浙江工业大学 一种甲酸提纯的新方法
DE102011075777A1 (de) * 2011-05-13 2012-11-15 Evonik Degussa Gmbh Verfahren zur Herstellung von Isophoron in Gegenwart mindestens eines Entschäumers in der Abwasserkolonne im Aufarbeitungsteil
CN109234530B (zh) * 2018-09-11 2023-12-08 福建紫金选矿药剂有限公司 一种高性能萃取稀释剂
CN115353450A (zh) * 2022-09-26 2022-11-18 河北康壮环保科技股份有限公司 一种稀甲酸浓缩的工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2545658C2 (de) * 1975-10-11 1985-12-19 Basf Ag, 6700 Ludwigshafen Verfahren zur Gewinnung von Carbonsäuren aus ihren wäßrigen Lösungen
DE2914671A1 (de) * 1979-04-11 1980-10-23 Basf Ag Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure
DE3319651A1 (de) * 1983-05-31 1984-12-06 Basf Ag, 6700 Ludwigshafen Verfahren zur destillativen gewinnung von ameisensaeure
DE3411384A1 (de) 1984-03-28 1985-10-10 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure durch hydrolyse von methylformiat

Also Published As

Publication number Publication date
BR0107822A (pt) 2002-10-29
WO2001055071A1 (fr) 2001-08-02
ATE396167T1 (de) 2008-06-15
US20030009057A1 (en) 2003-01-09
KR100771709B1 (ko) 2007-10-30
MY136296A (en) 2008-09-30
BR0107822B1 (pt) 2011-07-12
US6838579B2 (en) 2005-01-04
EP1250307A1 (fr) 2002-10-23
JP4746242B2 (ja) 2011-08-10
NO20023513L (no) 2002-08-26
NO20023513D0 (no) 2002-07-23
EP1250307B1 (fr) 2008-05-21
JP2003520834A (ja) 2003-07-08
CN1395553A (zh) 2003-02-05
DE10002793A1 (de) 2001-07-26
AU2001228487A1 (en) 2001-08-07
DE50113988D1 (de) 2008-07-03
CN1271033C (zh) 2006-08-23
KR20020070350A (ko) 2002-09-05

Similar Documents

Publication Publication Date Title
EP1117629B1 (fr) Purification de l'acetate d'ethyle de melanges qui contiennent de l'ethanol et de l'eau par distillation a pression alternee
FI80218C (fi) Foerfarande och anlaeggning foer rening av en tvaokomponentvaetskeblandning medelst destillering.
JP4908712B2 (ja) 無水ギ酸の製造方法
US10508074B2 (en) Method for purifying (meth)acrylic esters
NO327831B1 (no) Behandling av avlopsvann i en fremgangsmate for fremstilling av vannfri maursyre
GB958828A (en) Purification of synthetic methanol
NO327829B1 (no) Anvendelse av et ekstraheringsmiddel som et antiskummiddel ved fremstilling av vannfri maursyre
US6673955B2 (en) Preparation of triethyl phosphate
KR100830758B1 (ko) 폐가스 흐름의 세정 방법
JP2004149421A (ja) ジメチルアミド化合物とカルボン酸を蒸留分離する方法及びその装置
BR112020022956B1 (pt) Processo para a recuperação/purificação de acrilatos leves a partir de uma mistura de reação resultante da esterificação de ácido acrílico com metanol ou etanol
US9133094B2 (en) Apparatus and process for nitration selectivity flexibility enabled by azeotropic distillation
CN112430185B (zh) 一种用于蒸馏纯化2,2,4-三甲基-1,3-戊二醇单异丁酸酯的方法
CN113698275A (zh) 一种从碳酸二甲酯、乙酸甲酯、甲醇体系中回收甲醇的装置与方法
WO2024126086A1 (fr) Procédé amélioré pour préparer des composés d'alcoxyde métallique
WO2017174463A8 (fr) Procédé de préparation d'acétate de vinyle

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees